Alexander Thanh Bui, MD
Ophthalmology Physician · Los Angeles, CA
Alexander Thanh Bui, MD is an ophthalmology physician with a practice address in Los Angeles, California, and NPI 1578750261, issued on Sep 27, 2007. Check the license (California A90640, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alexander Thanh Bui
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A90640 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6041 Cadillac Ave, Los Angeles, CA 90034
- Phone
- (323) 857-2000
- Enumerated
- Sep 27, 2007
- Record last updated
- Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081107000629); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 6041 Cadillac Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alexander Thanh Bui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A90640Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average ophthalmology physician in 2024
590 Medicare Part D claims for 170 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Latanoprost172 claims
- Prednisolone Acetate101 claims
- Dorzolamide-Timolol85 claims
- Brimonidine Tartrate66 claims
- Ofloxacin42 claims
- Ketorolac Tromethamine29 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Thanh Bui among 2,899 ophthalmology physician records in California
Alexander Thanh Bui, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 55% of them.
- NPI issued2007 · 55% of these records are older, 33% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2001 · median 2001 among the 1,907 with a school on file
- Record last updated2021 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Los Angeles → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Shaleen Belani, M.D.Los Angeles, CA 900341083652481
- Michael Hwang, MDLos Angeles, CA 900341649341603
- Steven Jacobson, MDLos Angeles, CA 900341497822357
- Anisha Judge, MDLos Angeles, CA 900341851468748
- Robert Weingarten, MDLos Angeles, CA 900341790833580
- Yicheng Bao, MDLos Angeles, CA 900331417549791
- Bradley Beatson, MDLos Angeles, CA 900331427648245
- Kyle BoloLos Angeles, CA 900331154984417
Common questions
What is Alexander Thanh Bui, MD's NPI number?
Alexander Thanh Bui, MD's National Provider Identifier (NPI) is 1578750261, issued on Sep 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Thanh Bui, MD located?
The NPPES record lists a practice address at 6041 Cadillac Ave, Los Angeles, CA, 90034. Phone: (323) 857-2000. Providers update this record themselves, so call before visiting.
How can I verify Alexander Thanh Bui, MD's license?
NPPES lists California license number A90640, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alexander Thanh Bui, MD prescribe under Medicare Part D?
In 2024, Alexander Thanh Bui, MD had 590 Medicare Part D claims for 170 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.